code: def get_repo_tag(self, namespace, repo, tag):
      url = f"{self.docker_hub_base_endpoint}namespaces/{namespace}/repositories/{repo}/tags/{tag}"
      return self.make_request(url)
  
file_path: mindsdb/mindsdb/integrations/handlers/dockerhub_handler/dockerhub.py
imports: import json
  import requests
label_desc: Use image node_id 6 for calling the DockerHubClient obj's underlying member method code with example usage: obj.get_repo_tag(namespace, repo, tag) and returns: self